Home / 71,266,569.60-98,348,135.86-38,671,521.60

Finding the Fourth Proportional to 71,266,569.60, 98,348,135.86 and 38,671,521.60

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Solution

The fourth proportional to 71,266,569.60, 98,348,135.86 and 38,671,521.60 is: 53,366,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,266,569.60 : 98,348,135.86 = 38,671,521.60 : x
  2. Step 2: Convert to fraction form
    71,266,569.60/98,348,135.86 = 38,671,521.60/x
  3. Step 3: Cross multiply
    71,266,569.60x = 98,348,135.86 × 38,671,521.60
  4. Step 4: Simplify right side
    71,266,569.60x = 3,803,272,060,229,724.50
  5. Step 5: Solve for x
    x = 3,803,272,060,229,724.50/71,266,569.60
  6. Step 6: Final answer
    x = 53,366,846.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.